21328+4437
- Unique Name: 21328+4437ES 1339AC
- RA: 21 32 48.41
- Dec: +44 38 00.7
- Discoverer: ES
- Discoverer Number: 1339
- Components: AC
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 247
- Last position angle: 247
- First separation: 24.4
- Last separation: 23.3
- Mag first component: 11.08
- Mag second component: 12.24
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -9
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: